<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<body>
    <div id="app">
        <input v-model="parentMsg">
        <br>
        <child my-message="parentMsg"></child>
    </div>
    <script src="../js/vue.js" charset="utf-8"></script>
    <script type="text/javascript">
        new Vue({
            el: '#app',
            data: {
                parentMsg: 'message from parent'
            },
            components: {
                child: {
                    props: ['myMessage'],
                    template: '<span>{{ myMessage }}</span>'
                }
            }
        })
    </script>
</body>
</html>
